Respuesta :

Answer:

He frosted 6 cakes per hour.

Step-by-step explanation:

4.5 cakes / 45 minutes = 6 cakes / 60 minutes

Answer:

6 cakes an hour

Step-by-step explanation:

4 [tex]\frac{1}{2}[/tex]=4.50

[tex]\frac{3}{4}[/tex] = 0.75

4.50 × 0.75 = 6